#511B4D#511B4D

#511B4D is a dark, moderate purple. Relative luminance 0.031; OKLCH L 32.7% C 0.105 H 330.7°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#511B4D
RGB	rgb(81, 27, 77)
HSL	hsl(304, 50%, 21%)
HSV	hsv(304, 67%, 32%)
CMYK	cmyk(0%, 66.7%, 4.9%, 68.2%)
CIE-LAB	lab(20.32, 32.34, -18.79)
CIE-LCH	lch(20.32, 37.40, 329.85°)
OKLab	oklab(32.67% 0.0919 -0.0516)
OKLCH	oklch(32.67% 0.105 330.7)
XYZ	xyz(5.1248, 3.0694, 7.3423)
Luminance	0.0307 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B4D #1B511F

analogous

#3A1B51 #511B4D #511B32

triadic

#511B4D #4D511B #1B4D51

tetradic

#511B4D #513A1B #1B511F #1B3251

square

#511B4D #513A1B #1B511F #1B3251

split-complementary

#511B4D #32511B #1B513A

monochromatic

#170816 #230C21 #511B4D #7F2A79 #AD3AA4

Accessibility & contrast

On white

13.01

#511B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#511B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B4D

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B4D	#FFFFFF	#000000	##FFFFFF
##511B4D	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182C4F

Deuteranopia (green-blind)

#2A344C

Tritanopia (blue-blind)

#542031

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #511b4d;
/* rgb */ color: rgb(81, 27, 77);
/* oklch */ color: oklch(32.7% 0.105 330.7);

Tailwind

colors: {
  custom: {
    50: '#845c7f',
    500: '#511b4d',
    950: '#000000',
  },
}

SCSS

$custom: #511b4d;
$custom-light: #845c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#511b4d",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 77
  },
  "hsl": {
    "h": 304.444,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32672,
    "c": 0.10533,
    "h": 330.7
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#511B4D

secondary

#418746

accent

#DA594E

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #511B4D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →